Create custom LLVM optimization passes for code analysis and transformation
Get StartedAnalyze code structure and identify optimization opportunities during compilation.
Modify ASTs and IR to apply optimizations like dead code elimination or inlining.
Embed in the LLVM tool chain and use existing optimization infrastructure.
#include "llvm/IR/Function.h"
#include "llvm/Passes/Pass.h"
using namespace llvm;
namespace {
struct MyPass : public FunctionPass {
static char ID;
MyPass() : FunctionPass(ID) {}
bool runOnFunction(Function &F) override {
// Implementation
return true;
}
};
}
char MyPass::ID = 0;
static RegisterPass<MyPass> X("myopt", "My Optimization Pass");
Walk through creating a simple pass to identify and report function calls.
Read Tutorial →Learn to implement complex optimizations like loop fusion and peephole optimization.
Read Tutorial →Contribute new optimization passes or improve existing implementations.
Contribute a Pass